Search a number
-
+
30010011313 = 47638510879
BaseRepresentation
bin11011111100101111…
…000110111010110001
32212110110010112022111
4123330233012322301
5442430030330223
621441510405321
72111450613232
oct337457067261
985413115274
1030010011313
11117aa961747
125996360841
132aa348bb59
1416498d3089
15ba995530d
hex6fcbc6eb1

30010011313 has 4 divisors (see below), whose sum is σ = 30648522240. Its totient is φ = 29371500388.

The previous prime is 30010011293. The next prime is 30010011331. The reversal of 30010011313 is 31311001003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30010011313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30010011293 and 30010011302.

It is not an unprimeable number, because it can be changed into a prime (30010011013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319255393 + ... + 319255486.

It is an arithmetic number, because the mean of its divisors is an integer number (7662130560).

Almost surely, 230010011313 is an apocalyptic number.

It is an amenable number.

30010011313 is a deficient number, since it is larger than the sum of its proper divisors (638510927).

30010011313 is an equidigital number, since it uses as much as digits as its factorization.

30010011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638510926.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 30010011313 its reverse (31311001003), we get a palindrome (61321012316).

The spelling of 30010011313 in words is "thirty billion, ten million, eleven thousand, three hundred thirteen".

Divisors: 1 47 638510879 30010011313